package com.okRPC;

import java.util.UUID;

/**
 * Description: This is a sample class.
 * Author: Simon
 */
public class Test {
    public static void main(String[] args) {
//        String s = UUID.randomUUID().toString().replaceAll("-", "");
//        String s="a";
        char s='a';
        System.out.println(s);
//        System.out.println();
//        System.out.println();
    }
}
